[jira] [Commented] (ACCUMULO-4753) Update to commons-configuration2

["Josh Elser (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ACCUMULO-4753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16277169#comment-16277169 ] 

Josh Elser commented on ACCUMULO-4753:
--------------------------------------

Example stacktrace:

{noformat}
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 1.124 sec <<< FAILURE! - in org.apache.accumulo.core.client.mapred.TokenFileTest
testMR(org.apache.accumulo.core.client.mapred.TokenFileTest)  Time elapsed: 1.117 sec  <<< ERROR!
java.lang.NoClassDefFoundError: org/apache/commons/beanutils/BeanIntrospector
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:264)
	at com.sun.proxy.$Proxy13.<clinit>(Unknown Source)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at java.lang.reflect.Proxy.newProxyInstance(Proxy.java:739)
	at org.apache.commons.configuration2.builder.fluent.Parameters.createParametersProxy(Parameters.java:294)
	at org.apache.commons.configuration2.builder.fluent.Parameters.fileBased(Parameters.java:185)
	at org.apache.commons.configuration2.builder.fluent.Configurations.fileParams(Configurations.java:602)
	at org.apache.commons.configuration2.builder.fluent.Configurations.fileParams(Configurations.java:638)
	at org.apache.commons.configuration2.builder.fluent.Configurations.fileBasedBuilder(Configurations.java:164)
	at org.apache.commons.configuration2.builder.fluent.Configurations.propertiesBuilder(Configurations.java:264)
	at org.apache.hadoop.metrics2.impl.MetricsConfig.loadFirst(MetricsConfig.java:115)
	at org.apache.hadoop.metrics2.impl.MetricsConfig.create(MetricsConfig.java:98)
	at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.configure(MetricsSystemImpl.java:478)
	at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.start(MetricsSystemImpl.java:188)
	at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.init(MetricsSystemImpl.java:163)
	at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.init(DefaultMetricsSystem.java:62)
	at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.initialize(DefaultMetricsSystem.java:58)
	at org.apache.hadoop.mapred.LocalJobRunnerMetrics.create(LocalJobRunnerMetrics.java:45)
	at org.apache.hadoop.mapred.LocalJobRunner.<init>(LocalJobRunner.java:771)
	at org.apache.hadoop.mapred.LocalJobRunner.<init>(LocalJobRunner.java:764)
	at org.apache.hadoop.mapred.LocalClientProtocolProvider.create(LocalClientProtocolProvider.java:42)
	at org.apache.hadoop.mapreduce.Cluster.initialize(Cluster.java:130)
	at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:109)
	at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:102)
	at org.apache.hadoop.mapred.JobClient.init(JobClient.java:475)
	at org.apache.hadoop.mapred.JobClient.<init>(JobClient.java:454)
	at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:872)
	at org.apache.accumulo.core.client.mapred.TokenFileTest$MRTokenFileTester.run(TokenFileTest.java:134)
	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
	at org.apache.accumulo.core.client.mapred.TokenFileTest$MRTokenFileTester.main(TokenFileTest.java:141)
	at org.apache.accumulo.core.client.mapred.TokenFileTest.testMR(TokenFileTest.java:168)
{noformat}

> Update to commons-configuration2
> --------------------------------
>
>                 Key: ACCUMULO-4753
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-4753
>             Project: Accumulo
>          Issue Type: Task
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>            Priority: Critical
>
> I'm looking at what it would take to get Accumulo working against Hadoop 3.
> Thankfully, the only issue seems to be around the commons-configuration2 update that Hadoop has changed to. With our use of commons-configuration (1) for ClientConfiguration and others, this brings in multiple versions of commons-beanutils artifacts which result in exceptions at runtime.
> I think the quickest solution is to just upgrade ourselves to use commons-configuration2. The "long-term" solution is to try to switch over to the shaded jars that Hadoop is publishing (but I'm reticent to sign up for that right now :P).
> I think we need to have a discussion about where we want to land this.



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